Periarticular Injection and Hamstring Block Versus Placebo for Pain Control in Anterior Cruciate Ligament Reconstruction

Patients allocated to the intervention group received a periarticular infiltration with a solution containing 200 mg of ropivacaine hydrochloride ,150 mg if the patient weight was below 65kg, 5 mg of morphine hydrochloride , 30 mg of ketorolac tromethamine, 300 micrograms of adrenaline and saline 0.9% till reaching 50 ml of volume. Half of the solution was injected into the proximal hamstring stump. The surgical team closed the wounds and injected the other half of the intervention into the subcutaneous tissue in the distal wound and portals. There was not any medication introduced inside the articulation. Patients of the placebo group were treated in the same way, but the solution injected was 50 ml of saline 0.9%.

50 ml of 0.9 saline